| Author | Titles | | 1.
| Barbosa, Raúl de Sá | 1 | | 2.
| Barbosa, Raul Tamagnini, 1878-1939 | 1 | | 3.
| Barbosa, Rogério, 19--?- | 0 | | 4.
| Author is: Silva, Rogério Barbosa da, 19--?- | 3 | | 5.
| Barbosa, Ronaldo | 2 | | 6.
| Barbosa, Rui | 1 | | 7.
| Barbosa, Rui, 1849-1923 | 10 | | 8.
| Barbosa, Rui de Oliveira | 2 | | 9.
| Barbosa, Ruy | 1 | | 10.
| Barbosa, Ruy, 1849-1923 | 0 | | 11.
| Author is: Barbosa, Rui, 1849-1923 | 10 | | 12.
| Barbosa, Sandra Filipa | 1 |
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